Perhaps you should try some spelling variations:
communication european » communication europe, communications europe, telecommunication european
oral communication » personal communication
trade developments » trade development, rate developments, price developments
typologien does » typologie des, typologien der, typologie der
does variation » de variation, der variation, die variation
european trade » european case
variation 1 » variations 1, variation _, variation 6
ex oral » new oral
1 ex » 1 sex, 11 ex, 14 ex

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: typologien does variation 1 ex oral communication european trade developments _ afrique.*.